1394243 has 4 divisors (see below), whose sum is σ = 1402128. Its totient is φ = 1386360.

The previous prime is 1394209. The next prime is 1394251. The reversal of 1394243 is 3424931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3424931 = 337 ⋅10163.

It is a cyclic number.

It is not a de Polignac number, because 1394243 - 2¹⁰ = 1393219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3671 + ... + 4032.

It is an arithmetic number, because the mean of its divisors is an integer number (350532).

2^1394243 is an apocalyptic number.

1394243 is a deficient number, since it is larger than the sum of its proper divisors (7885).

1394243 is an equidigital number, since it uses as much as digits as its factorization.

1394243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884.

The product of its digits is 2592, while the sum is 26.

The square root of 1394243 is about 1180.7806739611. The cubic root of 1394243 is about 111.7153432495.

The spelling of 1394243 in words is "one million, three hundred ninety-four thousand, two hundred forty-three".